16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #include "precompiled.hpp"
25 #include "gc/g1/g1BarrierSet.inline.hpp"
26 #include "gc/g1/g1BarrierSetAssembler.hpp"
27 #include "gc/g1/g1CardTable.inline.hpp"
28 #include "gc/g1/g1CollectedHeap.inline.hpp"
29 #include "gc/g1/g1ThreadLocalData.hpp"
30 #include "gc/g1/heapRegion.hpp"
31 #include "gc/g1/satbMarkQueue.hpp"
32 #include "logging/log.hpp"
33 #include "oops/access.inline.hpp"
34 #include "oops/compressedOops.inline.hpp"
35 #include "oops/oop.inline.hpp"
36 #include "runtime/mutexLocker.hpp"
37 #include "runtime/thread.inline.hpp"
38 #include "utilities/macros.hpp"
39 #ifdef COMPILER1
40 #include "gc/g1/c1/g1BarrierSetC1.hpp"
41 #endif
42
43 class G1BarrierSetC1;
44
45 SATBMarkQueueSet G1BarrierSet::_satb_mark_queue_set;
46 DirtyCardQueueSet G1BarrierSet::_dirty_card_queue_set;
47
48 G1BarrierSet::G1BarrierSet(G1CardTable* card_table) :
49 CardTableBarrierSet(make_barrier_set_assembler<G1BarrierSetAssembler>(),
50 make_barrier_set_c1<G1BarrierSetC1>(),
51 card_table,
52 BarrierSet::FakeRtti(BarrierSet::G1BarrierSet)) {}
53
54 void G1BarrierSet::enqueue(oop pre_val) {
55 // Nulls should have been already filtered.
56 assert(oopDesc::is_oop(pre_val, true), "Error");
57
58 if (!_satb_mark_queue_set.is_active()) return;
59 Thread* thr = Thread::current();
60 if (thr->is_Java_thread()) {
61 G1ThreadLocalData::satb_mark_queue(thr).enqueue(pre_val);
62 } else {
63 MutexLockerEx x(Shared_SATB_Q_lock, Mutex::_no_safepoint_check_flag);
64 _satb_mark_queue_set.shared_satb_queue()->enqueue(pre_val);
65 }
66 }
67
68 void G1BarrierSet::write_ref_array_pre_oop_entry(oop* dst, size_t length) {
69 G1BarrierSet *bs = barrier_set_cast<G1BarrierSet>(BarrierSet::barrier_set());
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16 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
17 *
18 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
19 * or visit www.oracle.com if you need additional information or have any
20 * questions.
21 *
22 */
23
24 #include "precompiled.hpp"
25 #include "gc/g1/g1BarrierSet.inline.hpp"
26 #include "gc/g1/g1BarrierSetAssembler.hpp"
27 #include "gc/g1/g1CardTable.inline.hpp"
28 #include "gc/g1/g1CollectedHeap.inline.hpp"
29 #include "gc/g1/g1ThreadLocalData.hpp"
30 #include "gc/g1/heapRegion.hpp"
31 #include "gc/g1/satbMarkQueue.hpp"
32 #include "logging/log.hpp"
33 #include "oops/access.inline.hpp"
34 #include "oops/compressedOops.inline.hpp"
35 #include "oops/oop.inline.hpp"
36 #include "runtime/interfaceSupport.inline.hpp"
37 #include "runtime/mutexLocker.hpp"
38 #include "runtime/thread.inline.hpp"
39 #include "utilities/macros.hpp"
40 #ifdef COMPILER1
41 #include "gc/g1/c1/g1BarrierSetC1.hpp"
42 #endif
43 #ifdef COMPILER2
44 #include "gc/g1/c2/g1BarrierSetC2.hpp"
45 #endif
46
47 class G1BarrierSetC1;
48 class G1BarrierSetC2;
49
50 SATBMarkQueueSet G1BarrierSet::_satb_mark_queue_set;
51 DirtyCardQueueSet G1BarrierSet::_dirty_card_queue_set;
52
53 G1BarrierSet::G1BarrierSet(G1CardTable* card_table) :
54 CardTableBarrierSet(make_barrier_set_assembler<G1BarrierSetAssembler>(),
55 make_barrier_set_c1<G1BarrierSetC1>(),
56 make_barrier_set_c2<G1BarrierSetC2>(),
57 card_table,
58 BarrierSet::FakeRtti(BarrierSet::G1BarrierSet)) {}
59
60 void G1BarrierSet::enqueue(oop pre_val) {
61 // Nulls should have been already filtered.
62 assert(oopDesc::is_oop(pre_val, true), "Error");
63
64 if (!_satb_mark_queue_set.is_active()) return;
65 Thread* thr = Thread::current();
66 if (thr->is_Java_thread()) {
67 G1ThreadLocalData::satb_mark_queue(thr).enqueue(pre_val);
68 } else {
69 MutexLockerEx x(Shared_SATB_Q_lock, Mutex::_no_safepoint_check_flag);
70 _satb_mark_queue_set.shared_satb_queue()->enqueue(pre_val);
71 }
72 }
73
74 void G1BarrierSet::write_ref_array_pre_oop_entry(oop* dst, size_t length) {
75 G1BarrierSet *bs = barrier_set_cast<G1BarrierSet>(BarrierSet::barrier_set());
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